Technical Details:

• Language: Python
• Libraries: datetime, pandas, random, smtplib
• Concepts: Data Processing, Scheduled Tasks, Email Automation, String Manipulation
• Features: Reads birthday data (name, email, birth month, birth day) from a `birthdays.csv` file using `pandas`, Gets the current month and day using `datetime.datetime.now()`, Checks if it's anyone's birthday based on the current date, Randomly selects a letter template from a `letter_templates` folder using `random.choice()`, Personalizes the letter template by replacing a placeholder with the recipient's name, Sends a personalized birthday email using `smtplib`